I change Protocol option from ImPS/2 to ExplorerPS/2 at mouse configuration and problem disapear.
I'm using FF3 and Ubuntu 8.04.
The fragment of xorg.conf:
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
# Option "Protocol" "ImPS/2"
Option "Protocol" "ExplorerPS/2"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "false"
EndSection
I change Protocol option from ImPS/2 to ExplorerPS/2 at mouse configuration and problem disapear.
I'm using FF3 and Ubuntu 8.04.
The fragment of xorg.conf:
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
# Option "Protocol" "ImPS/2"
Option "Protocol" "ExplorerPS/2"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "false"
EndSection